/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.dubbo.registry.integration;


import org.apache.dubbo.common.URL;
import org.apache.dubbo.rpc.Exporter;
import org.apache.dubbo.rpc.cluster.ClusterInvoker;

import java.util.concurrent.atomic.AtomicInteger;


public class CountRegistryProtocolListener implements RegistryProtocolListener {

    private static final AtomicInteger referCounter = new AtomicInteger(0);

    @Override
    public void onExport(RegistryProtocol registryProtocol, Exporter<?> exporter) {

    }

    @Override
    public void onRefer(RegistryProtocol registryProtocol, ClusterInvoker<?> invoker, URL url, URL registryURL) {
        referCounter.incrementAndGet();
    }

    @Override
    public void onDestroy() {

    }

    public static AtomicInteger getReferCounter() {
        return referCounter;
    }
}
